:root{
      --bg:#f7f4ee;
      --bg2:#fffaf2;
      --card:#ffffff;
      --ink:#1f2a37;
      --muted:#5f6b7a;
      --line:#e7dfd2;
      --brand:#ff6b5b;
      --brand2:#ffb84d;
      --brand3:#4f8cff;
      --success:#1c9b68;
      --shadow:0 18px 45px rgba(54, 45, 35, .08);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(255,107,91,.12), transparent 30%),
        radial-gradient(circle at top right, rgba(79,140,255,.10), transparent 24%),
        linear-gradient(180deg,var(--bg2),var(--bg));
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:20;
      backdrop-filter: blur(12px);
      background:rgba(247,244,238,.78);
      border-bottom:1px solid rgba(231,223,210,.7);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      padding:14px 0;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px}
    .brand strong{display:block;font-size:1.02rem}
    .brand span{display:block;font-size:.84rem;color:var(--muted)}
    .nav-toggle{
      display:none; border:1px solid var(--line); background:#fff; color:var(--ink);
      border-radius:12px; padding:10px 12px;
    }
    .nav-links{display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{font-size:.94rem; color:var(--muted); padding:8px 10px; border-radius:999px}
    .nav-links a:hover{background:rgba(255,107,91,.10); color:var(--ink)}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:0; border-radius:999px; padding:12px 18px; font-weight:700; cursor:pointer;
      transition:.25s ease; box-shadow:none;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:0 14px 28px rgba(255,107,91,.22)}
    .btn-secondary{background:#fff; color:var(--ink); border:1px solid var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid; grid-template-columns:1.35fr .95fr; gap:20px; align-items:stretch}
    .hero-main,.hero-side,.section-card,.quote-card,.form-card,.table-card,.faq-card,.info-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(231,223,210,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:34px}
    .eyebrow{display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px; background:rgba(79,140,255,.10); color:#204ea6; font-weight:700; font-size:.88rem}
    h1{font-size:clamp(2rem, 4vw, 3.7rem); line-height:1.08; margin:14px 0 14px}
    .lead{font-size:1.05rem; color:var(--muted); line-height:1.8; max-width:62ch}
    .hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin:22px 0 20px}
    .hero-points{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:18px}
    .mini{
      border:1px dashed #e6d5c6; background:linear-gradient(180deg,#fff,#fff8ef); border-radius:18px; padding:14px;
    }
    .mini b{display:block; margin-bottom:6px}
    .hero-side{padding:22px; display:grid; gap:14px}
    .pulse{
      border-radius:20px; padding:16px; background:
        linear-gradient(135deg, rgba(255,107,91,.10), rgba(255,184,77,.10)),
        linear-gradient(180deg,#fff,#fff);
      border:1px solid rgba(255,107,91,.18);
    }
    .pulse h3,.section-title h2{margin:0 0 8px}
    .stats{display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin:20px 0 28px}
    .stat{
      padding:18px; border-radius:20px; background:#fff; border:1px solid var(--line); box-shadow:var(--shadow)
    }
    .stat strong{display:block; font-size:1.5rem}
    .stat span{color:var(--muted); font-size:.92rem}
    .section{padding:18px 0}
    .section-title{display:flex; align-items:end; justify-content:space-between; gap:14px; margin-bottom:14px}
    .section-title p{margin:0; color:var(--muted)}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .card{padding:20px; border-radius:20px; background:rgba(255,255,255,.92); border:1px solid var(--line); box-shadow:var(--shadow); transition:.22s ease}
    .card:hover{transform:translateY(-4px)}
    .card h3{margin:0 0 10px}
    .card p{margin:0; color:var(--muted); line-height:1.75}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag{padding:9px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#2f3a48; font-size:.92rem}
    .timeline{display:grid; gap:12px}
    .step{
      display:grid; grid-template-columns:64px 1fr; gap:14px; align-items:start;
      padding:18px; border-radius:18px; background:#fff; border:1px solid var(--line)
    }
    .step i{
      width:64px; height:64px; display:grid; place-items:center; border-radius:18px;
      background:linear-gradient(135deg, rgba(79,140,255,.15), rgba(255,107,91,.14));
      font-style:normal; font-weight:800; color:#214fa6;
    }
    .table-wrap{overflow:auto}
    table{width:100%; border-collapse:collapse; min-width:760px}
    th,td{padding:14px 12px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top}
    th{background:#fff8ef}
    .rating{color:#d97706; font-weight:800}
    details{
      background:#fff; border:1px solid var(--line); border-radius:18px; padding:16px 18px;
      box-shadow:0 10px 24px rgba(54,45,35,.05)
    }
    details+details{margin-top:12px}
    summary{cursor:pointer; font-weight:700; list-style:none}
    summary::-webkit-details-marker{display:none}
    .reviews{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .review .meta{display:flex; justify-content:space-between; gap:10px; margin-bottom:10px}
    .review .role{color:var(--muted); font-size:.9rem}
    .review .stars{color:#f59e0b}
    .case-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .case{
      min-height:100%; padding:18px; border-radius:20px; background:
        linear-gradient(180deg, #fff, #fffaf4);
      border:1px solid var(--line)
    }
    .article-list{display:grid; gap:12px}
    .article{
      display:flex; justify-content:space-between; gap:16px; padding:16px 18px; border-radius:18px;
      background:#fff; border:1px solid var(--line)
    }
    .article small{color:var(--muted)}
    .form-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
    label{display:block; font-size:.92rem; color:#334155; margin:0 0 8px; font-weight:700}
    input,select,textarea{
      width:100%; border:1px solid #d9d0c3; background:#fff; color:var(--ink);
      border-radius:14px; padding:13px 14px; font:inherit; outline:none;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(79,140,255,.8); box-shadow:0 0 0 4px rgba(79,140,255,.12)}
    .footer{
      margin-top:18px; padding:24px 0 30px; border-top:1px solid rgba(231,223,210,.8);
      background:rgba(248,244,236,.9); color:var(--ink)
    }
    .footer a{color:#234ea7}
    .footer-grid{display:grid; grid-template-columns:1.1fr .9fr .9fr; gap:16px}
    .fine{color:var(--muted); font-size:.92rem; line-height:1.8}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:30; display:grid; gap:10px;
    }
    .float-btn{
      width:52px; height:52px; border-radius:50%; display:grid; place-items:center; background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:0 16px 30px rgba(255,107,91,.22);
      border:0; cursor:pointer;
    }
    .chat-box{
      position:fixed; right:16px; bottom:82px; z-index:30; width:min(320px, calc(100vw - 32px));
      background:#fff; border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow);
      padding:14px; display:none;
    }
    .chat-box.show{display:block}
    .chat-box .qrcode{width:100%; border-radius:16px; overflow:hidden; border:1px solid var(--line); margin:10px 0}
    .fade-in{opacity:0; transform:translateY(18px); transition:.55s ease}
    .fade-in.in{opacity:1; transform:none}
    .home-link{display:inline-flex; align-items:center; gap:6px; margin-top:10px}
    .compare-badge{display:inline-flex; padding:8px 12px; border-radius:999px; background:rgba(28,155,104,.1); color:var(--success); font-weight:800}
    .gallery{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .gallery img{width:100%; border-radius:18px; border:1px solid var(--line); box-shadow:var(--shadow)}
    .promo-images{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .promo-images img{border-radius:18px; border:1px solid var(--line); box-shadow:var(--shadow)}
    .scroll-top{display:none}
    @media (max-width: 980px){
      .hero-grid,.stats,.grid-3,.reviews,.case-grid,.footer-grid,.grid-2{grid-template-columns:1fr}
      .hero-points,.form-grid,.gallery,.promo-images{grid-template-columns:1fr 1fr}
      .nav-toggle{display:inline-flex}
      .nav-links{
        display:none; width:100%; padding:10px 0 0; justify-content:flex-start
      }
      .nav-links.open{display:flex}
      .nav{flex-wrap:wrap}
    }
    @media (max-width: 640px){
      .container{width:min(100% - 20px, var(--container))}
      .hero-main{padding:22px}
      .hero-points,.form-grid,.gallery,.promo-images{grid-template-columns:1fr}
      .section-title{align-items:flex-start; flex-direction:column}
      .article{flex-direction:column}
      .step{grid-template-columns:1fr}
      table{min-width:640px}
    }